Gentoo Archives: gentoo-user

From: Grant Taylor <gtaylor@×××××××××××××××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Enable "regular" network traffic when using VPN
Date: Sun, 10 Jun 2018 17:03:43
Message-Id: 4d44043b-c1c1-1b98-dcb3-b8c5e814d5d0@spamtrap.tnetconsulting.net
In Reply to: Re: [gentoo-user] Enable "regular" network traffic when using VPN by Hilco Wijbenga
1 On 06/09/2018 06:31 PM, Hilco Wijbenga wrote:
2 > Okay, with all that advice, I gave it another try. I'm also setting
3 > up a VirtualBox for my WFH stuff and VB wants to use 10.0.0.0 for its
4 > networking. I've changed this to 172.16.0.0 so now I can easily tell
5 > that network from work network (which seems to use 10.25.0.0)
6 >
7 > I wanted to add a route to NetworkManager's VPN connection. It wants
8 > Address, Network, Gateway, and Metric so I gave it "10.0.0.0", "255.0.0.0"
9 > (this one shows up automatically), "207.x.y.z", "1". But then VPN fails
10 > to start with the complaint that the configuration is invalid.
11 >
12 > So I tried what I think is the same on the CL:
13 >
14 > $> route add -net 10.0.0.0/8 gw "207.x.y.z" metric 1
15 > SIOCADDRT: Network is unreachable
16 >
17 > So apparently, it's not quite as straightforward as I thought it might
18 > be. :-)
19
20 I think you're actually quite close.
21
22 I believe the reason NetworkManager's VPN and the route command are
23 complaining are the same.
24
25 Routing almost always wants the next hop, not the ultimate destination.
26
27 Think about it this way, if you ask for directions in an unfamiliar
28 building, do you want to be told that you need to go to the office
29 across the hall from Mary? Or do you want to be told, take the elevator
30 tot he 4th floor, turn left, and go to the office across the haul from
31 Mary, she has a big sign on her office.
32
33 "Across the haul from Mary" by itself is useless and unactionable. The
34 directions that start with the elevator in the lobby is actionable. ;-)
35
36
37
38 --
39 Grant. . . .
40 unix || die

Replies

Subject Author
Re: [gentoo-user] Enable "regular" network traffic when using VPN Hilco Wijbenga <hilco.wijbenga@×××××.com>